EP1542847B1 - Verfahren zur herstellung eines erzeugnisses sowie nach diesem verfahren hergestelltes erzeugnis - Google Patents

Verfahren zur herstellung eines erzeugnisses sowie nach diesem verfahren hergestelltes erzeugnis Download PDF

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Publication number
EP1542847B1
EP1542847B1 EP03729766A EP03729766A EP1542847B1 EP 1542847 B1 EP1542847 B1 EP 1542847B1 EP 03729766 A EP03729766 A EP 03729766A EP 03729766 A EP03729766 A EP 03729766A EP 1542847 B1 EP1542847 B1 EP 1542847B1
Authority
EP
European Patent Office
Prior art keywords
layer
coating
front side
partially
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03729766A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1542847A1 (de
Inventor
Peter Oberacher
Matthias Sprotte
Frank Ehrig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Karl Zitt & Co GmbH
Weidman Plastics Technology AG
Original Assignee
Weidman Plastics Technology AG
Karl Zitt & Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weidman Plastics Technology AG, Karl Zitt & Co GmbH filed Critical Weidman Plastics Technology AG
Publication of EP1542847A1 publication Critical patent/EP1542847A1/de
Application granted granted Critical
Publication of EP1542847B1 publication Critical patent/EP1542847B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14688—Coating articles provided with a decoration
    • B29C2045/14729—Coating articles provided with a decoration decorations not in contact with injected material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2715/00—Condition, form or state of preformed parts, e.g. inserts
    • B29K2715/006—Glues or adhesives, e.g. hot melts or thermofusible adhesives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • Y10T428/2462—Composite web or sheet with partial filling of valleys on outer surface

Definitions

  • the invention relates to a method for producing a product having a first layer which is connected to a second layer, wherein the first layer is plastically deformable and has a front side and a rear side and the joining of the two layers takes place in an injection mold.
  • Patent Abstracts of Japan Vol. 8, No. 83 (M 290), Apr. 17, 1984 and JP-A-59001236 disclose a method of manufacturing a three-dimensional pattern.
  • This is an aluminum foil printed and after curing of the pressure, this film is back-injected in a mold.
  • the back molding is done with a resin (resin), wherein the injection pressure is relatively low compared to the injection pressure of thermoplastics.
  • the back-injected film therefore consists of soft aluminum. Hard aluminum or stainless steel could not be used here.
  • the paint is pressed into the aluminum foil, which is deformed. In the non-printed area, the film is pressed outwards and plastically deformed.
  • the unprinted areas of the film are thereby increased on the visible side and result in subsequent three-dimensional shrinkage on the component Structure, as shown in Fig. 5.
  • a disadvantage of this method is that due to the emergence of the non-printed areas a curvature of the part is difficult to avoid.
  • the three-dimensional structure depends on the materials used and is likely to be difficult to reproduce. A defined dimensional accuracy is likely to be very limited.
  • the film must be comparatively soft and elastic. Hard foils, such as steel, can not be used here.
  • a film for example a metal foil
  • thermoplastic material for example, polyethylene terephthalate
  • the front of the film is inserted into an injection mold and back-injected with thermoplastic material.
  • the front of the film is also known to provide the front of the film with depressions, these depressions, for example, form a font or a pattern.
  • the injection mold is structured on the inside corresponding to the wells to be produced on the film.
  • the film is pressed against the structured inner side of the injection mold.
  • Such a method is known, for example, for the manufacture of inserts in door sills. These inserts are thus provided on their front with each wells that give an optical depth effect.
  • the depressions form, for example, a font. This process allows the production of such products in large series and comparatively inexpensive.
  • the invention has for its object to provide a method of the type mentioned, which offers even more possibilities for the design of the products and which is still suitable for automated mass production.
  • the method should thus be able to make the front of the product as versatile and aesthetically pleasing.
  • the first layer is partially provided with an application on its front side.
  • This order is then cured.
  • the first layer with the cured order is placed in an injection mold.
  • the first layer is back-injected, this layer being pressed with its front side against an inner side of the injection mold.
  • the hardened order transforms the first layer and shapes it.
  • the pressing of the order takes place in the first layer so that in this a recess is formed.
  • the back-injected layer is finally removed from the mold.
  • the application is completely pressed into the first layer. If, according to a development of the invention, the application is produced from a translucent and / or transparent color, the result is a special optical effect. In particular, this makes it possible to achieve a particularly interesting depth effect. As a result, the flanks of the wells are visible.
  • the job is produced according to an embodiment of the invention with a printing ink.
  • a printing ink This is preferably done by screen printing or pad printing. In a simple way thus different patterns or fonts can be applied.
  • the curing of the ink is preferably carried out thermally, by UV radiation or by venting. It is also conceivable curing by a chemical reaction, or by a combination of different methods.
  • the first layer is an aluminum or steel foil according to a development of the invention.
  • films for example made of copper, brass or other suitable metals.
  • these films are deformed by the hardened order and, in the case of injection molding, are essentially stamped by the application.
  • very exact patterns and fonts can be produced, which can give a special visual effect.
  • the surface can be designed in any multi-colored. It is essential that the mentioned process steps can be automated. The method is therefore also suitable for mass production with high quantities.
  • the invention also relates to a product produced by said process.
  • the product is characterized in that the front side of the first layer partially has recesses which are deformations of an order.
  • the job is preferably an ink. Preferably, this is recessed in the first layer.
  • the order is a semi-transparent or translucent printing ink. As a result, a particularly interesting depth effect can be achieved.
  • the product is a trim part, in particular a trim strip for a motor vehicle.
  • a trim part in particular a trim strip for a motor vehicle.
  • the door sill is durable and can be designed as mentioned above with a special front.
  • Figures 1 and 2 show a door sill strip 10 having a first layer 1 with a front side 1a and a back side 1b and a molded second layer 2.
  • the first layer 1 is preferably an aluminum or steel foil.
  • the film 1 may also be made of another suitable plastically deformable material, in particular metal.
  • the layer 1 can also be a composite of several layers, for example a metal layer and a lacquer layer.
  • the film 1 may also be made of copper or brass.
  • the thickness D of the first layer 1 is preferably less than about 0.5 mm. Preferably, the thickness is in the range of 0.1 to 0.3 mm.
  • the second layer consists of a plastic, in particular a thermoplastic, which is injection-molded onto the rear side 1b of the first layer 1 by injection molding. For better adhesion of the second layer 2 is provided on the back side 1b before the back injection with a known bonding agent 8.
  • a representation B visible which is for example a lettering or a per se arbitrary pattern.
  • the representation B extends only over a partial area of the front side 1a. It is formed by a job 4, which is arranged in a recess 3 of the first layer 1.
  • an upper side 4a of the order 4 is located in the plane of the front side 1a.
  • an application 14 has an upper side 14a which is located below a front side 1a 'of a first layer 1'.
  • the upper side 14a could also be arranged over the front side la '.
  • the order 4 or 14 is multi-layered.
  • a first layer 1, for example, an aluminum foil is cut into the intended shape, but this is not mandatory, and on its front side la partially provided with a job 4 'of thickness H.
  • the job 4 ' is applied for example by printing with a printing ink.
  • the printing can also be multicolored. This can be done for example by screen printing or pad printing.
  • the job 4 ' can be any representation B, for example a lettering or a pattern, as shown for example in FIG. 2.
  • the height H of the job 4 'over the top 1a is in the range of 2 to 1000 microns, preferably in the range of 2 to 100 microns. A particularly preferred height H is about 4 to 10 microns.
  • this is cured. This can be done, for example, thermally, with UV radiation or by venting. The curing takes place for example at about 100 ° C, this temperature is of course dependent on the nature of the order 4 '.
  • the first layer 1 is inserted into the injection mold 6. This is preferably done automatically in a conventional manner.
  • the injection mold 6 has an inner side 7, which is preferably flat or convex and to which the first layer 1 is to be applied with its front side 1a.
  • the first layer 1 is back-injected with a layer 2.
  • an adhesion promoter 8 is preferably applied to the back side 1b of the first layer 1 according to FIG.
  • Adhesion promoters 8 which improve the adhesion of plastic to metal, for example aluminum, are known per se to the person skilled in the art.
  • the first layer 1 When injecting the first layer 1, it is pressed with its front side 1a against the inside 7 of the injection mold 6 with a comparatively high pressure and within a very short time interval.
  • the pressure is for example 600 bar.
  • the embossing or deformation of the first layer 1 results in first layer 1 corresponding recesses 3, which are formed corresponding to the order 4 '.
  • the wells 3 are comparatively sharp, the wells 3 thus correspond to the order 4 '.
  • the wells 3 are filled after the back injection with a job 4, but this is not mandatory.
  • pressing the job 4 ' is only slightly deformed.
  • the layer 1 is dug out on its rear side, as can be seen for example in FIG.
  • FIG. 1 This consists of a composite of the first layer 1 and the second layer 2, which are firmly connected to each other.
  • the upper side 1a is provided with an image or other representation which is formed by the application 4 pressed into the first layer 1.
  • the outer side 4a is flush with the front side 14a in this embodiment.
  • a protective layer such as a paint can be applied, which also covers the front side 4a of the order 4.
  • the front side 14a may also be overhanging or recessed, as shown in FIG.
  • the application 14 is formed in a multi-layered manner.
  • An outer layer is removed after the back molding, for example, dissolved out with a solvent.
  • the order 4 or 14 can be translucent or translucent, semitransparent or opaque. This results in a front side la or la ', which visually appears as a structured surface with a depth effect. Since the job 4 or 4 'can be multi-colored, there are numerous possibilities for the design of the front side 1a. Since the printing of a top as well as the back molding in the injection molding process are inexpensive and can be automated, even high-volume series are possible.
  • the product 10 is in particular a trim part, in particular a trim strip for a passenger vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Adornments (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP03729766A 2002-06-21 2003-06-23 Verfahren zur herstellung eines erzeugnisses sowie nach diesem verfahren hergestelltes erzeugnis Expired - Lifetime EP1542847B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH10682002 2002-06-21
CH106802 2002-06-21
PCT/CH2003/000404 WO2004000524A1 (de) 2002-06-21 2003-06-23 Verfahren zur herstellung eines erzeugnisses sowie nach diesem verfahren hergestelltes erzeugnis

Publications (2)

Publication Number Publication Date
EP1542847A1 EP1542847A1 (de) 2005-06-22
EP1542847B1 true EP1542847B1 (de) 2006-08-23

Family

ID=29783963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03729766A Expired - Lifetime EP1542847B1 (de) 2002-06-21 2003-06-23 Verfahren zur herstellung eines erzeugnisses sowie nach diesem verfahren hergestelltes erzeugnis

Country Status (7)

Country Link
US (1) US20060121251A1 (es)
EP (1) EP1542847B1 (es)
AT (1) ATE337153T1 (es)
AU (1) AU2003240350A1 (es)
DE (1) DE50304774D1 (es)
ES (1) ES2271585T3 (es)
WO (1) WO2004000524A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005058574A2 (de) * 2003-12-16 2005-06-30 Weidmann Plastics Technology Ag Verfahren zum herstellen von spritzgussteilen, spritzgussvorrichtung zur durchführung des verfahrens sowie nach dem verfahren hergestelltes spritzgussteil
DE102005007645A1 (de) * 2005-02-19 2006-08-24 Dr.Ing.H.C. F. Porsche Ag Verfahren zum Herstellen eines Kraftfahrzeug- Ausstattungsteils
DE102010030911A1 (de) * 2010-07-02 2012-01-05 Kunststoff-Technik Scherer & Trier Gmbh & Co Kg Verfahren zur Herstellung eines Formteils und Formteil
DE112011105014B4 (de) * 2011-03-08 2014-11-20 Toyota Jidosha Kabushiki Kaisha Verfahren zum Herstellen eines faserverstärkten Kunstharzteils
DE202011103932U1 (de) * 2011-08-02 2012-11-23 Oechsler Aktiengesellschaft Gehäuseschale, für insbesondere portable elektrische Geräte
EP2604406B1 (de) 2011-12-12 2014-05-21 Weidmann Plastics Technology AG Verfahren zur Herstellung eines Erzeugnisses
MX357215B (es) * 2012-06-28 2018-06-29 Jain Irrigation Systems Ltd Pesa de tubo de encendido y apagado para la irrigacion por goteo.
EP3402695B1 (de) 2016-01-14 2021-06-30 WEIDPLAS GmbH Bauteil umfassend ein flächiges dekorelement und ein gehäuse
CN107322946B (zh) * 2017-07-21 2019-11-29 厦门绵羊抗疲劳垫有限公司 一种抗疲劳地垫及其表面外观处理工艺
DE102018221678A1 (de) 2018-12-13 2020-06-18 Quin Gmbh Dekorformteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58131047A (ja) * 1982-01-29 1983-08-04 Tokai Rika Co Ltd 自動車用オ−ナメントの製造方法
JPS6056089B2 (ja) * 1982-06-28 1985-12-09 吉田工業株式会社 合成樹脂成形品の表面に光輝面の浮出し模様を立体成形する方法及び当該方法によつて成形された成形品
JPH0315354Y2 (es) * 1985-10-31 1991-04-03
JPS6450497A (en) * 1987-08-20 1989-02-27 Satosen Co Ltd Manufacture of printed wiring board
JPH02111512A (ja) * 1988-10-20 1990-04-24 Dainippon Printing Co Ltd 成形用化粧シートおよびそれを用いた絵付け成形品の製造方法
ES1031075Y (es) * 1995-05-16 1996-05-01 Quer Maria Victoria Ribas Caja-estuche con distintivos incorporados.
US6264869B1 (en) * 1996-11-28 2001-07-24 3M Innovative Properties Company Method of preparing 3-dimensional, aesthetically appealing decorative emblems

Also Published As

Publication number Publication date
AU2003240350A1 (en) 2004-01-06
ES2271585T3 (es) 2007-04-16
WO2004000524A1 (de) 2003-12-31
DE50304774D1 (de) 2006-10-05
EP1542847A1 (de) 2005-06-22
US20060121251A1 (en) 2006-06-08
AU2003240350A8 (en) 2004-01-06
ATE337153T1 (de) 2006-09-15

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